Antioxidant and Possible Anti-Inflammatory Potential of Selected Medicinal Plants Prescribed in the Indian Traditional System of Medicine

Figures & data

Table 1. Profile of percent DPPH and OH radical scavenging activity of alcohol extract of selected plants.

Sr. no.	Name of the plant	DPPH IC50 (mg/ml)	OH IC50 (mg/ml)
1	Swertia chirayita.	0.42	NR
2	Cedrus deodar.	0.12	NR
3	Boerhavia diffusa.	0.21	NR
4	Berberis aristata.	0.15	NR
5	Withania somnifera.	0.42	NR
6	Pongamia glabra.	0.56	1.9
7	Petrocarpus santalinus.	0.52	1.6
8	Tinospora cordifolia.	0.22	1.5
9	Acrous calamus.	0.083	1.3
10	Glutathione	0.45	ND
11	Coumarin	ND	1.1

The results presented are the mean values of duplicate measurements.

NR, no results under experimental conditions; ND, not determined.

Table 2. Summary of vitamin C and polyphenol contents of alcohol extract of selected plants.

Sr. no.	Name of the plant	Vitamin C (mg/100 g)	Phenolics (mg/g)
1	Swertia chirayita.	13.32	45.20
2	Cedrus deodar.	21.72	73.50
3	Boerhavia diffusa.	22.96	42.50
4	Berberis aristata.	26.64	21.50
5	Withania somnifera.	17.37	22.56
6	Pongamia glabra.	26.65	43.05
7	Petrocarpus santalinus.	45.96	39.60
8	Tinospora cordifolia.	30.40	41.95
9	Acrous calamus.	34.43	46.40

The results summarized are the mean values of duplicate measurements.

Table 3. Inhibitory effect of alcohol extract of selected plants on the activity of PPO, β.-glucuronidase, and trypsin-induced hydrolysis of BSA.

		IC50 (mg/ml)
Sr. no.	Name of the plant	PPO	β.-Glucuronidase	Trypsin
1	Swertia chirayita.	0.35	NR	0.2
2	Cedrus deodar.	0.67	0.22	0.133
3	Boerhavia diffusa.	0.95	NR	0.35
4	Berberis aristata.	0.70	NR	0.45
5	Withania somnifera.	0.36	NR	1.3
6	Pongamia glabra.	NR	NR	0.066
7	Petrocarpus santalinus.	0.65	NR	0.4
8	Tinospora cordifolia.	0.20	NR	1.2
9	Acrous calamus.	0.96	0.067	0.5
10	L-Cysteine	0.63	ND	ND
11	Salicylic acid	ND	0.052	0.05

The results shown here are the mean values of duplicate measurements.

PPO, polyphenol oxidase; BSA, bovine serum albumin; NR, no results under experimental conditions; ND, not determined.